Senior Fullstack & AI Engineer with over 8 years of experience in designing, building and deploying advanced AI systems. Graduated from Niigata University, leading a small cross-functional team that covers AI engineering, fullstack development and go-to-market execution in Japan. Currently based in Nagoya City, responsible not only for technical leadership but also for driving product strategy and marketing-led growth, including positioning, experimentation and close feedback loops with customers. Experienced in natural language processing, computer vision, generative AI, automation and cloud-based AI deployment, with hands-on work integrating OpenAI GPT models, LangChain, Hugging Face, TensorFlow, PyTorch and vector databases into scalable, AI-driven products for startups and enterprises. Cross-industry work in healthcare, finance, education and SaaS demonstrates the ability to merge AI innovation, software engineering, team leadership and business insight to deliver measurable impact.